Pressboard PSP3052 (Transformer Board PSP3052)_Hunan Powerwell Industrial Co.,LTD.

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Transformer Field

Pressboard PSP3052 (Transformer Board PSP3052)

Pressboard PSP3052 (Transformer Board PSP3052) is a special product based on pure cellulose taken from long-fibred coniferous wood. This is structured into a fibrous tissue without additional adhesive and then pressed. Due to its high chemical purity, pressboard is excellently suited as an insulation material in electric machines, capacitors and oil-filled transformers.

零售价

0.0

Yuan

市场价

0.0

Yuan

浏览量:

1000

产品编号

Category：

Transformer Field

数量

库存:

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Product description

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Type B 3.1 in according to IEC 641-1

Description

Features

Insulation class A (105 °C)

Natural-coloured

Hot-pressed Pressboard, 100 % sulphate pulp

High hardness and stiffness

Low shrinkage and compatibility

High purity and mechanical strength

Good compatibility with liquid dielectrics

Further processing is ensured since the pressboard can be punched, folded, cut and formed without difficulty.

Applications

To use as insulations material in Power and Distribution Transformers

It is the base material for components like cyclinders, strips, spacers, rings. washers, plates, machine formed and moulded parts, punchings and laminates.

Available

Thickness: 0.80mm – 4.0mm

Sheet dimension: 1000mm x 2000mm, 2100mm x 4200mm

Special dimensions on request

Technical Date

	Test standard	Measured value	Standard value
Thickness tolerance	IEC 641-2	≤ 1.6 mm 6.00 % > 1.6 - 8.0 mm 4.00 %	±7.5 % ± 5.0 %
Apparent density	IEC 641-2	≤ 1.6 mm 1.09 g/cm³ > 1.6 - 4.0 mm 1.15 g/cm³	1.00 - 1.20 g/cm³ 1.10 - 1.25 g/cm³
Min. tensile strength M.D. unfolded	IEC 641-2	≤ 1.6 mm 107 N/mm² > 1.6 - 4.0 mm 128 N/mm²	100 N/mm² 105 N/mm²
Min. tensile strength C.M.D, unfolded	IEC 641-2	≤ 1.6 mm 77 N/mm² > 1.6 - 4.0 mm 83 N/mm²	75 N/mm² 80 N/mm²
Min. elongation M.D, unfolded	IEC 641-2	3.9 %	3.0 %
Min. elongation C.M.D, unfolded	IEC 641-2	4.1 %	4.0 %
Max. moisture content	IEC 641-2	4.2 %	6.0 %
Max. ash content	IEC 641-2	0.3 %	1.0 %
pH of aqueous extract	IEC 641-2	6.3	6.0 - 9.0
Max. shrinkage M.D	IEC 641-2	0.4 %	0.5 %
Max. shrinkage C.M.D	IEC 641-2	0.6 %	0.7 %
Max. thickness shrinkage	IEC 641-2	3.9 %	5.0 %
Min. oil absorption	IEC 641-2	≤ 1.6 mm 13.7 % > 1.6 - 4.0 mm 10.6 %	11.0 % 9.0 %
Compressibility C	IEC 641-2	≤ 1.6 mm 9.4 % > 1.6 - 4.0 mm 5.7 %	10.0 % 7.5 %
Revers. part of compressibility Crev	IEC 641-2	≤ 1.6 mm 54 % > 1.6 - 4.0 mm 71 %	45 % 50 %
Min. breakdown voltage in oil	IEC 641-2	≤ 1.6 mm 50 kV/mm > 1.6 - 4.0 mm 45 kV/mm	40 kV/mm 35 kV/mm
Max. conductivity of aqueous extract	IEC 641-2	≤ 1.6 mm 3.3 mS/m > 1.6 - 4.0 mm 3.5 mS/m	5.0 mS/m 6.0 mS/m

These tests have been carried out on transformer board thicknesses 1.0 mm, 3.0 mm, 4.0 mm

The above values, which have been determined by careful tests, provide only general information. Our company has implemented several programs to assure the highest quality and reliability of this product. However, no responsibility is assumed for its use.